Base | Representation |
---|---|
bin | 10101100010101110… |
… | …101011101010101101 |
3 | 2012201001111210120120 |
4 | 111202232223222231 |
5 | 334333044204013 |
6 | 14343142435153 |
7 | 1446133206540 |
oct | 254256535255 |
9 | 65631453516 |
10 | 23131241133 |
11 | 989aa89910 |
12 | 4596732ab9 |
13 | 2248320840 |
14 | 11960d2857 |
15 | 905ad6123 |
hex | 562babaad |
23131241133 has 64 divisors (see below), whose sum is σ = 42419994624. Its totient is φ = 10821312000.
The previous prime is 23131241011. The next prime is 23131241143. The reversal of 23131241133 is 33114213132.
It is not a de Polignac number, because 23131241133 - 213 = 23131232941 is a prime.
It is a super-2 number, since 2×231312411332 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23131241143) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29188 + ... + 217058.
It is an arithmetic number, because the mean of its divisors is an integer number (662812416).
Almost surely, 223131241133 is an apocalyptic number.
It is an amenable number.
23131241133 is a deficient number, since it is larger than the sum of its proper divisors (19288753491).
23131241133 is a wasteful number, since it uses less digits than its factorization.
23131241133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187946.
The product of its digits is 1296, while the sum is 24.
Adding to 23131241133 its reverse (33114213132), we get a palindrome (56245454265).
The spelling of 23131241133 in words is "twenty-three billion, one hundred thirty-one million, two hundred forty-one thousand, one hundred thirty-three".
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